While his Blues teammates are navigating a gruelling schedule of double training sessions at Cobham, Costa has remained in Lagarto -- the small town where he was born and raised and where he is adored as a hero -- keeping fans updated on his activities with regular videos on his Instagram account.

Lengthy footage posted on Sunday showed Costa filming a street party featuring a live band, attempting to play the drums and mingling with fellow revellers (several of whom are wearing Atletico shirts with his name on the back) before donning one himself and posing for the camera.

Earlier in the video, Costa engaged in a public text exchange with Chelsea teammate Cesc Fabregas in which he posted, "Dale un abrazo a conte," which translates to "give Conte a hug."

It doesn't seem as though Costa holds any grudges towards his head coach for that infamous text message earlier this summer, but it's now a question of when rather than if he returns to his beloved Atletico.